Photometric study of the open cluster NGC 2323

被引：20

作者：

Claria, JJ ^{[1
]}

Piatti, AE ^{[1
]}

Lapasset, E ^{[1
]}

机构：

[1] Univ Nacl Cordoba, Astron Observ, RA-5000 Cordoba, Argentina

来源：

ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES | 1998年 / 128卷 / 01期

关键词：

open clusters; individual; NGC; 2323; general; HR diagram;

D O I：

10.1051/aas:1998130

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

UBV photoelectric photometry for 175 stars in the field of the southern open cluster NGC 2323, supplemented by DDO photometry of 5 probable giants, is presented. The analysis of the photometric data yields 109 probable members; one of them being a red giant, and 3 possible members. The reddening across the cluster is slightly variable and the mean value E(B - V) = 0.25. The apparent cluster distance modulus is 10.62, corresponding to a distance of 940 pc. The age, determined by fitting isochrones with core overshooting, turns out to be 100 +/- 20 Myr. Other fundamental cluster parameters are also determined. NGC 2323 appears not to be physically connected to the CMa OB1 association.

引用

页码：131 / 138

页数：8

共 37 条

[1]

[Anonymous], 1953, Statistical astronomy

[2] SELF-CONSISTENT DETERMINATIONS OF THE TOTAL AMOUNT OF MATTER NEAR THE SUN [J].

BAHCALL, JN .

ASTROPHYSICAL JOURNAL, 1984, 276 (01) :169-181

[3] POSSIBILITY OF MASS LOSS IN RED-GIANT STAGE FROM H-R DIAGRAMS OF GALACTIC CLUSTERS [J].

BARBARO, G ;

DALLAPORTA, N ;

FABRIS, G .

ASTROPHYSICS AND SPACE SCIENCE, 1969, 3 (01) :123-+

[4]

BARKHATOVA KA, 1950, ASTRON ZH, V27, P182

[5]

Becker W., 1971, ASTRON ASTROPHYS S, V4, P241

[6]

BERTELLI G, 1994, ASTRON ASTROPHYS SUP, V106, P275

[7]

BURKI G, 1975, ASTRON ASTROPHYS, V43, P37

[8]

CAILLAULT JP, 1994, AIP C P, V313, P7

[9]

Claria J. J., 1973, Astronomy and Astrophysics Supplement Series, V9, P251

[10] MEMBERSHIP, FUNDAMENTAL PARAMETERS AND LUMINOSITY FUNCTION OF THE OPEN CLUSTER NGC-5662 [J].

CLARIA, JJ ;

LAPASSET, E ;

BOSIO, MA .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1991, 249 (02) :193-207

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